evergirl
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evergirl
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Rationalize the denominator of sqrt 4/(7  3i)+(2 + 5i)

anonymous
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\[\frac{\sqrt{4}}{(7+3i)+(2+5i)}\]??

ParthKohli
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Rationalize or "realize"?

ParthKohli
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And first add the denominators, then conjugation...

anonymous
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start with
\[\frac{2i}{9+2i}\]

evergirl
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Yes that is the equation

ParthKohli
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I mean simplify.

ParthKohli
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Right there, and then find the conjugate

evergirl
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hold on one moment please

evergirl
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ok

evergirl
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Thanks Parth

evergirl
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And satelitte

ParthKohli
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Yay. What was your answer?

evergirl
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I got 16 + 18i/7

ParthKohli
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Seems incorrect...

evergirl
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ok one second lemme try again

evergirl
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4 + 18i over 85

ParthKohli
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That's right

evergirl
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Thank you again!

ParthKohli
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No problem at all. :)